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Lecture 22 — The Maxwell Distribution Chapter 7, Friday February 29 th

Lecture 22 — The Maxwell Distribution Chapter 7, Friday February 29 th. Final points from Ch. 6 – molecular hydrogen Maxwell-Boltzmann probability Density of states in k -space Single-particle density of states in energy Maxwell distribution of speeds in a classical gas.

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Lecture 22 — The Maxwell Distribution Chapter 7, Friday February 29 th

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  1. Lecture 22 — The Maxwell Distribution Chapter 7, Friday February 29th • Final points from Ch. 6 – molecular hydrogen • Maxwell-Boltzmann probability • Density of states in k-space • Single-particle density of states in energy • Maxwell distribution of speeds in a classical gas Reading: All of chapter 7 (pages 144 - 157) Assigned problems, Ch. 6: 2, 4*, 6, 8, (+1) Homework 6 due today by 5pm Assigned problems, Ch. 7: 6, 8, 12, 14, 16 Homework 7 due next Friday Exam 2 on Wed. after spring break

  2. Spin } Symmetric Antisymmetric

  3. Diatomic molecules: ortho and para 1H2

  4. Particle (standing wave) in a box Lz Ly Lx Boltzmann probability:

  5. Density of states in k-space kz ky kx

  6. Convert to spherical coordinates dk kz k dVk k ky k k kx

  7. Maxwell speed distribution

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